Class: AppMath::Cos

Inherits:

Object

• Object
• AppMath::Cos

Defined in:

lib/graph.rb

Instance Method Summary

• #at(x) ⇒ Object
• #initialize(n = R.prec) ⇒ Cos constructor

  A new instance of Cos.

Constructor Details

#initialize(n = R.prec) ⇒ Cos

Returns a new instance of Cos.

# File 'lib/graph.rb', line 307

def initialize(n = R.prec)
  @precMem = R.prec
  @precLoc = n
end

Instance Method Details

#at(x) ⇒ Object

# File 'lib/graph.rb', line 311

def at(x)
  R.prec = @precLoc
  y = R.c(x).cos
  R.prec = @precMem; y
end